Pistol grip doorknob



Jan. 11, 1955 C. E. NAGY El AL PISTOL GRIP DOORKNOB Filed Dec. 5, 1952 1v m:hum/mama 2 Sheets-Sheet 1 Char/es E. N0 y Jesse J. Hedg s INVENTORS Jan. 11, 1955 c, E. NAGY ETAL PISTOL GRIP DOORKNOB 2 m mm w h M t e m g S 6 a 2 6 7 7 0. I F

Filed Dec. 5, 1952 Charles E. Nagy Jesse J. Hedges mmvrozes -frequently desirable to have a novelty door United States Patent Ofilice 2,699,353 Patented Jan. 11, 1955 PISTOL GRIP DOORKNOB Charles E. Nagy, Massena, N. Y., and Jesse J. Hedges, Newark, Ohio Application December 5, 1952, Serial No. 324,322 12 Claims. or. 292-3363) closing and opening by children or others.

calling attention to some particular feature or for making a particular door.

adapter will be accomplished by means of a gear actuated in response to pulling the simulated trigger of the simulated revolver.

It is accordingly an object of the invention to provide a door knob simulating the butt end of a revolver.

further object of the invention to provide a nonrotating door knob with means for rotating the latch therein.

It is a further object of the invention to provide an adapter adapted to be secured on the end of any latch shaft for cooperation with a door knob.

It is a further obiect of the invention to provide a novelty door knob for attracting the user of the door thereto.

Other objects and many of the attendant advantages of the present invention will be apparent from the followaccompanying drawings, in which:

igure 1 is a side elevation of a pistol grip door knob in place on a door latch;

Figure 2 is an end elevation taken substantially 2--2 of Figure 1;

Figure 3 is a sectional elevation through the door knob showing the operating construction;

Figure 4 is a side elevation of a modification with parts broken away and showing the trigger mounting;

Figure 5 is a side elevation with parts broken away in section showing a further modification;

Figure 6 is a similar view showing a further modification;

Figure 7 is a partial section taken substantially on the plane indicated by the line 77 of Figure 5 and showing how the gear may be either right or left handed as desired;

Figure 8 is a vertical elevation partly in section of the door knob adapter;

Figure 9 is a front elevation of the adapter; and

Figure 10 is a front elevation of the sliding connection taken substantially on the plane indicated by the section line 1010 of Figure 4.

In the exemplary embodiment of the invention, a door 10 is provided with a latch 12 in the usual keeper 14 having the usual escutcheon plates 16 and 18 on opposite sides of the door. The usual square latch shaft extends through the door latch mechanism and as is well known rotation of the latch bar causes retraction of the latch partially broken away and on the plane indicated by the line 12. If desired, one of the door knobs such as Ztl may be the usual plain door knob while the other may be the door knob according to the invention, or both door knobs may be of a pistol grip variety as may be desired.

The latch bar 22 is preferably constructed of a rod which is non-circular in cross-section, usually substantially square in cross-section as herein indicated. An adapter 24 is substantially cylindrical in construction and has an axial bore 26 which is herein indicated as square for of the latch bar 22 and is provided with a transverse opening 28 for receiving a set screw 30 for retaining the adapter on the latch bar 22. Obviously, the adapter may be adjusted to take any of the known types of latch bars and shown as being provided with a cylindrical aperture for engaging the threaded end 34 of a well known type of latch bar 22. Obviously, any other known types of latch bars may be secured in the adapter 24 by any other well known methods.

The door knob and rotatably receive the adapter 24. portion of the door knob consists of a grip 44 adapted to be received in the palm of the hand as is the usual six shooter.

Obviously, the adapter 24 may be retained in the bore 42 in any one of a known variety of ways but we prefer to utilize a ball bearing lock between the adapter and the cylinder.

portion 40 and also will be retained against longitudinal motion in the bore 42. A retainer 52 is provided with a threaded body 54 and a cap 56 with the body 54 being of suflicient length that when the cap 56 is: stopped by projection 86 of the trigger member 78 extends upwardly into the T-slot and is provided with a cross member 88 for sliding in the T-slot 84. A simulated hammer 90 is rigidly fixed on the gears 79 and extends through a slot 92 is provided with an abutment 94 so that the gear 70 in the opposite direction.

Instead of utilizing a T-slot in the bottom of the chamber member 40, the T-member may depend from the bottom of the chamber member and a T-slot member 102 may be secured on the upper portion of the trigger 78 as shown in Figure 4 and Figure 10.

In the modification shown in Figure 5 the gear member 104 is provided with a lever 106 for attachment to the trigger member 78. As shown in Figure 7, the gear 104 is provided with a central member 108 of such width that the lever 106 will be attached thereto and depend to either side of the trigger 78 so that the gear 104 may be reversibly positioned on the pm 110 so that it may engage either the right or left hand side of the adapter 112 so that the rearward motion of the trigger 78 will cause the adapter 112 to rotate in either the right hand or left hand direction depending upon the position of the gear 104 on the right or left hand side of the actuating member 106. Suitable stops 107 are usually provided to limit the movement of trigger 78.

It is some times desirable to provide additional bearing surfaces between the adapter and the bore and for this purpose the adapter 112 is being shown as having an additional raceway 114 adjacent the forward end thereof. The raceway 114 is of sufficient depth to completely receive a ball bearing therein for cooperation with the internal surface of the bore 42. Ball bearings 116 may be introduced through the aperture 118 until the raceway 114 is filled after which a plug 120 will be placed therein, the plug being in all respects similar to the plug 52 closing the raceways 48.

In the utilization and operation of the pistol door knob the usual door knob is removed and the adapter 24 or 112 applied to the latch bar of any desired shape and secured therein bv means of a set screw 30 which prevents relative rotation between the adapter and the latch bar. The simulated pistol grip and cartridge chamber will be cli ped in position on the ada ter and the ball bearings 50 will be applied throu h the aperture which will then be closed by means of the plug 52 to retain the chamber on the adapter.

In order to open the latch bv retracting the latch bar 12 the operator will grab the revolver simulating handle 44 with the fin er in the aperture 80 of the tri ger 78 and a pu l of the trigger will cause the gears 70 to rotate the adapter 24 to withdraw the latch 12. Simultaneously. the hammer 90 will move forward and strike the anvil 96 to inhibit further rotary motion of the adapter.

Instead of utilizing the sliding trigger it is possible, as shown in Figure 6 to utilize an oscillating trigger mounted directly on the gear 71 by means of a lever arm 124 having a finger receiving notch 126 and a safety web 128 to prevent the fin ers of the operator from being caught by the tri er 124. In this modification. the adapter 25 is provided with a crown gear 61 which meshes with the spur gear 71.

Likewise instead of utilizing a movable hammer 90 it is possible to utilize a non-movable simulated hammer 130 which may sometimes be desirable in order to prevent users of the door from catching their fingers under the hammer 90.

It will thus be seen that the present invention provides an easily grasped and readily operated door knob of extreme simplicity and considerable interest.

While for purposes of exemplification particular embodiments of the invention have been shown, and described according to the best present understanding thereof, it will be apparent to those skilled in the art that many changes and modifications may be made in the construction and arrangement of the parts thereof without departing from the true spirit and purpose of the invention.

What is claimed as new is:

1. A door knob comprising an adapter adapted to be secured on a latch shaft, a depending handle journaled on said adapter, a transverse shaft in said handle, a gear iournaled on said shaft. a gear on said adapter, said gears being in mesh, a lever fixed on said gear journaled in said shaft for operating said gear to rotate said adapter, said handle being a simulated pistol grip.

2. A door knob comprising an adapter adapted to be secured on a latch shaft, a knob member iournaled on said adapter, a transverse shaft mounted in said knob member, a gear journaled on said shaft, a gear on said adapter, said gears being in mesh, a lever fixed on said gear journaled on said shaft, a slidable actuator pivotally connected to said lever.

3. A door knob comprising an adapter adapted to be secured on a latch shaft, a knob member journaled on said adapter, a transverse shaft fixed in said knob member, a gear journaled on said shaft, a gear on said adapter, said gears being in mesh, a lever secured to said gear journaled on said shaft, a slidable actuator pivotally connected to said lever, a stop interposed in the path of travel of said lever.

4. A door knob comprising an adapter adapted to be secured on a latch shaft, a knob member journaled on said adapter, a gear mounted in said knob member, a

being in mesh, a lever rigidly secured to said gear mounted in said knob member, a slidable actuator pivotally connected to said lever, said gears being bevel gears, said gear mounted in said knob member being adapted to be mounted in either right or left hand engagement with the gear on said adapter, whereby said adapter may be adjusted to turn in either right or left hand direction.

5. A door knob comprising an adapter adapted to be secured on a latch shaft, a simulated pistol grip journaled on said adapter, a transverse shaft in said pistol grip, a gear journaled on said shaft, a gear on said adapter, said gears being in mesh, a lever rigidly secured to said gear journaled on said shaft, a slidable actuator pivotally connected to said lever, a simulated hammer fixed on said gear mounted in said simulated pistol grip.

6. A door knob comprising an adapter adapted to be secured on a latch shaft, a knob member journaled on said adapter, a gear mounted in said knob member, a gear on said adapter, said gears being in mesh, a lever secured to said gear mounted in said knob member, a slidable actuator pivotally connected to said lever, said knob being a simulated pistol grip, a simulated hammer fixed on said gear mounted in said knob member, a hammer slot in said simulated pistol grip, said hammer extending through said slot, said hammer abut ting the ends of said slot to determine the limits of rotation of said adapter.

7. A door knob comprising a simulated revolver butt, a longitudinal bore in the chamber portion of said revolver butt, a cylindrical adapter, said adapter having an axial bore adapted to be secured on a door latch shaft, means for rotatably securing said adapter in said longitudinal bore, an annular gear formed on the end of said adapter, an actuating gear journaled in said simulated revolver butt, said gear meshing with said annular gear, a lever fixed on said actuating gear, a simulated trigger connected in operating relation to said lever, a stop constituted as a simulated hammer fixed on said actuating gear.

8. A door knob comprising a simulated revolver butt, a longitudinal bore in the chamber portion of said revolver butt, a cylindrical adapter, said adapter having an axial bore adapted to be secured on a door latch shaft, a ball raceway in the outer surface of said adapter, a complementary raceway in the surface of said bore, said chamber portion having an aperture communicating with said raceways, said aperture being of sufficient size to admit ball bearings into said raceways, ball bearings in said raceways, a plug secured in said aperture for retaining said ball bearings in said raceway, an annular gear formed on the end of said adapter, an actuating gear journaled in said simulated revolver butt, said gear meshing with said annular gear, a lever fixed on said actuating gear, a simulated trigger connected in operating relation to said lever, a simulated hammer fixed on said actuating gear.

9. A door knob comprising a simulated revolver butt, a longitudinal bore in the chamber portion of said revolver butt, a cylindrical adapter, said adapter having an axial bore adapted to be secured on a door latch shaft, a ball raceway in the outer surface of said adapter, a complementary raceway in the surface of said bore, said chamber portion having an aperture communicating with said raceways, said aperture being of sufficient size to admit ball bearings into said raceways, ball bearings in said raceways, a plug secured in said aperture for retaining said ball bearings in said raceway, an annular gear formed on the end of said adapter, an actuating gear journaled in said simulated revolver butt, said gear meshing with said annular gear, a lever fixed on said actuating gear, a simulated trigger connected in operating relation to said lever, a second raceway in said adapter, said second raceway having a depth substantially equal to the diameter of the bearings received therein, ball bearings in said second raceway.

10. A door knob comprising a simulated revolver butt, a longitudinal bore in the chamber portion of vo1ver butt, a cylindrical adapter, said adapter having 11. A door knob comprising a simulated revolver butt, a longitudinal bore in the chamber portion of said re volver butt, a cylindrical adapter, said adapter havlng her and said lever, an interfitting sliding engagement between said member and said chamber portion.

12. A door knob comprising a simulated revolver butt, a longitudinal bore in the chamber said simulated hammer for limiting the 

